Minnesota, 1990. Detective Bruce Kenner investigates the case of young Angela, who accuses her father, John Gray, of an unspeakable crime. When John unexpectedly and without recollection admits guilt, renowned psychologist Dr. Raines is brought in to help him relive his memories and what they discover unmasks a horrifying nationwide mystery.
Unfortunately the movie Regression is not yet available on HBO Max.
| Writing | Alejandro Amenábar | Screenplay |
| Directing | Alejandro Amenábar | Director |
| Crew | Carrie Eklund | Stunts |
| Production | Axel Kuschevatzky | Executive Producer |
| Camera | Daniel Aranyó | Director of Photography |
| Production | Jina Jay | Casting |
| Sound | Gabriel Gutiérrez | Supervising Sound Editor |
| Production | Alejandro Amenábar | Producer |
| Production | Fernando Bovaira | Producer |
| Costume & Make-Up | Sonia Grande | Costume Design |
| Art | Carol Spier | Production Design |
| Sound | John Simpson | Foley |
| Art | Joyce McPherson | Art Department Coordinator |
| Lighting | Bob Davidson | Gaffer |
| Sound | Marc Orts | Sound Re-Recording Mixer |
| Costume & Make-Up | Emily McHugh | Assistant Costume Designer |
| Sound | Ricardo Viñas | Dolby Consultant |
| Crew | Davin Snip | Property Master |
| Camera | Jan Thijs | Still Photographer |
| Art | Dave Bracken | Construction Coordinator |
| Editing | Lindsay Allikas | First Assistant Editor |
| Sound | Alfredo Díaz | Sound Effects Editor |
| Art | Elinor Rose Galbraith | Art Direction |
| Visual Effects | Nestor Quintana | Visual Effects Producer |
| Camera | Guillem Huertas | First Assistant Camera |
| Production | Jason Knight | Casting |
| Production | Christina Piovesan | Producer |
| Editing | Carolina Martínez Urbina | Editor |
| Art | Friday Myers | Set Decoration |
| Crew | Mark Ahee | Special Effects Coordinator |
| Camera | Angelo Colavecchia | Camera Operator |
| Editing | Paulino Fernández Ibáñez | Digital Intermediate |
| Visual Effects | Helen Martí Donoghue | Visual Effects Producer |
| Costume & Make-Up | Wanda Morales | Assistant Costume Designer |
| Costume & Make-Up | Charlotte Hayward | Hairstylist |
| Costume & Make-Up | Charlotte Hayward | Makeup Artist |
| Directing | Winnifred Jong | Script Supervisor |
| Sound | Gabriel Gutiérrez | Sound Designer |
| Art | Jennifer Morden | Assistant Art Director |
| Art | Shari Spier | Graphic Designer |
| Production | Derek Rappaport | Line Producer |
| Sound | Roque Baños | Original Music Composer |
| Costume & Make-Up | Catherine Viot | Makeup Designer |
| Sound | Roque Baños | Orchestrator |
| Production | Noah Segal | Executive Producer |
| Production | Koldo Zuazua | Line Producer |
| Production | Guillem Vidal-Folch | Associate Producer |
| Production | Ghislain Barrois | Executive Producer |
| Production | John Buchan | Casting |
| Production | Derek Rappaport | Production Manager |
| Costume & Make-Up | Minda Johnson | Costume Design |
| Editing | Geoff Ashenhurst | Editor |
| Production | Alex Lalonde | Executive Producer |
| Sound | Roque Baños | Music Director |
| Production | Simón de Santiago | Executive Producer |
| Crew | Neven Pajkic | Stunts |
| Directing | Nick Lopez | Third Assistant Director |
| Crew | Ron Bell | Stunts |
| Crew | Eric Bryson | Stunt Coordinator |
| Crew | Duncan McLeod | Stunt Double |
| Writing | Mateo Gil | Script Consultant |
| Costume & Make-Up | Peggy Kyriakidou | Key Hairdresser |
| Directing | Andrew M. Robinson | First Assistant Director |
| Directing | Aric Dupere | Second Assistant Director |
| Visual Effects | Félix Bergés | Visual Effects Supervisor |
| Sound | Stephen Marian | Production Sound Mixer |
| Crew | Erin Jarvis | Stunt Double |
| Art | Adam Prince | Lead Set Dresser |
| Art | Ron Gent | Lead Set Dresser |
| Production | Richard Hughes | Location Manager |
| Production | Luke Marshall | Assistant Location Manager |
| Camera | Gilles Corbeil | Additional Camera |
| Camera | Jason Luke | Second Assistant Camera |
| Production | Effy Papadopoulos | Assistant Production Manager |
| Art | Shari Spier | Second Assistant Art Director |
| Writing | Alejandro Hernández | Script Consultant |
| Art | Evan Webber | First Assistant Art Direction |
| Crew | Dylan Bryson | Stunt Double |
| Art | Liane Prevost | Second Assistant Art Director |
| Camera | Angelo Colavecchia | Steadicam Operator |
| Production | Jackie Alexander Moulson | Production Coordinator |
| Production | Drazen Baric | Assistant Location Manager |
| Art | Joe Dias | Set Dresser |
| Art | Allan McNerney | Set Dresser |
| Camera | Scott Cowan | First Assistant "B" Camera |
| Crew | Enrico Chiocchio | Generator Operator |
| Camera | Mike Sokoluk | Key Grip |
| Costume & Make-Up | Stacey Dutrizac | Assistant Makeup Artist |
| Costume & Make-Up | Joan Chell | Daily Makeup & Hair |
| Sound | Urmas Rosin | Boom Operator |
| Lighting | Ramesh Yogendran | Best Boy Electric |
| Camera | Nicholas Fasullo | Dolly Grip |
| Crew | Robert Iacobucci | Scenic Artist |
| Crew | Jeanette Nyguen | Scenic Artist |
| Camera | Phil Calambakas | Best Boy Grip |
| Lighting | Morgan Sainsbury | Electrician |
| Camera | Kelly Pothof | Grip |
| Costume & Make-Up | Mykola Korolyov | Daily Makeup & Hair |
| Lighting | Michael Forrester | Electrician |
| Crew | Robert Racki | Stunts |
| Crew | Geoff Meech | Stunt Double |
| Camera | Michael Carella | "B" Camera Operator |
| Art | Tyler Unrau | On Set Props |
| Camera | Joseph Chan | Additional Camera |
| Camera | Chris LeBlanc | Grip |
| Art | Michael Gibbs | Set Dresser |
| Camera | Kristopher Pothof | Grip |
| Production | Patricia Tejedor Cruz | Production Coordinator |
| Production | Mike Bruce | Assistant Location Manager |
| Art | Adrienne Rennick | Set Dresser |
| Art | Danny Burke | Set Dresser |
| Lighting | Carl Flood | Electrician |
| Costume & Make-Up | Joanne Bujouves | Daily Makeup & Hair |
| Costume & Make-Up | Cindy Lou Tache | Daily Makeup & Hair |
| Camera | Paul Cameron | Grip |
| Crew | Jason Herriott | Key Scenic Artist |
| Camera | Bart Bialasik | Second Assistant "B" Camera |
| Costume & Make-Up | Jenn Gould | Assistant Hairstylist |
| Sound | Matthew McKenzie | ADR Engineer |
| Sound | Gabriel Gutiérrez | Sound Re-Recording Mixer |
| Sound | Lisa Simpson | Foley Recordist |
| Sound | Ignacio Arrojo | ADR Recordist |
| Production | Donna Dupere | Extras Casting |
| Sound | Nick Beljic | ADR Mixer |
| Sound | Devin Doucette | ADR Engineer |
| Sound | Digba Kurpjel | Foley Editor |
| Sound | Rune Klaussen | ADR Recordist |
| Production | Caitlin Stewart | Casting Assistant |
| Sound | Ryan Michael Wilson | ADR Mixer |
| Sound | Darren T. Jennings | ADR Recordist |
| Sound | Srdjan Kurpjel | Foley Recordist |
| Sound | Mayte Cabrera | Assistant Sound Editor |
| Sound | Krissopher Chevannes | ADR Mixer |
| Production | Jessie Frost | Casting Assistant |
| Production | Harvey Weinstein | Executive Producer |
| Sound | Tapio Liukkonen | Foley Artist |
| Production | Bob Weinstein | Executive Producer |
| Sound | Iñaki Sánchez-Elvira | Dialogue Editor |
